<!DOCTYPE html>
<html lang="en">
   <form id="upload-form" action="http://localhost:8081/upload/up" 
   method="post" enctype="multipart/form-data" >
      　　　<input type="file" id="file" name="file" /> <br />
            <input type="string" id="id" name="id" /> <br />
      　　　<input type="submit" value="Upload" />
      </form>
      
</html>